1. 1980 population distribution in the United States Author/Creator: United States. Bureau of the Census. Geography Division Publication/Creation: [Washington, D.C.?] : For sale by the Supt. of Docs., U.S. G.P.O. Resource Type: Map Access & Availability: Loading
2. Employment in manufacturing, 1982 : distribution by county Author/Creator: United States. Bureau of the Census. Geography Division Publication/Creation: [Washington, D.C.?] : Geography Division, [1985?] Resource Type: Map Access & Availability: Loading
3. Metropolitan statistical areas : (CMSAs, PMSAs, and MSAs) June 30, 1989 Author/Creator: United States. Bureau of the Census. Geography Division Publication/Creation: [Washington, D.C.] : The Bureau : For sale by the Supt. of Docs., U.S. G.P.O., [1989] Resource Type: Map Access & Availability: Loading
4. North-central Africa Author/Creator: United States. Central Intelligence Agency Publication/Creation: [Washington, D.C.] : [Central Intelligence Agency], [1989] Resource Type: Map Access & Availability: Loading